I'm writing a literature review on synthesis and biological activity of some organic compounds, and half the references I found on SciFinder are patents. Are patents typically included in literature reviews of this sort? Thank you!

How does steam prevent oxidation in tea leaves? This was closed for lack of clarity. It seemed perfectly clear to me. I couldn't have answered it otherwise. Perhaps those not familiar with tea processing had trouble understanding it. But that doesn't, by itself, mean it's unclear. For ins...

What are the criteria for a molecule to be chiral? (We frequently get questions of this type, so this is an attempt to construct a suitable general answer for duping.)

I was using the mini-formatting in comments to add a hyperlink. However, the web address of the link I am trying to add is way too long ; it exceeds the comment word limit by several hundreds of characters. What should I do?